dwr的异常处理

来源：互联网发布：云盘推荐知乎编辑：程序博客网时间：2024/05/21 09:58

默认的返回消息是Error

如果希望自定义处理错误消息，可以使用元数据的方式调用

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script type="text/javascript" src="<%=request.getContextPath()%>/dwr/engine.js"></script><script type="text/javascript" src="<%=request.getContextPath()%>/dwr/util.js"></script><script type="text/javascript" src="<%=request.getContextPath()%>/dwr/interface/MyDwr.js"></script><script type="text/javascript">MyDwr.deleteUser({callback:deleteUser,errorHandler:function(msg,exception) {alert(msg);/*for(var ea in exception) {alert(ea);}alert(exception.stackTrace);*/alert(dwr.util.toDescriptiveString(exception,1));}});function deleteUser(data) {}</script></head><body></body></html>

可以开启异常的转换（在dwr.xml中配置）

<convert match="java.lang.Exception" converter="exception"/><convert converter="bean" match="java.lang.StackTraceElement"/>

按照以上步骤做了之后就可以获取完整的异常出错信息

0 0